FISH STOCK INDICATORS: APPLICATION OF DESCRIPTOR 3 OF MSFD IN BLACK SEA
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Formal decision rules using these indicators for maintenance of the fishery ecosystem in a productive condition, and for stock recovery, need to be urgently implemented.
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A review of the present state and future perspectives of the fishery in the Bulgarian marine part of the Black sea basin is presented.
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FISH STOCK INDICATORS: APPLICATION OF DESCRIPTOR 3 OF MSFD IN BLACK SEA
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about: Ecology
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copyright holder: SCIBULCOM LTD
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date created: 2018-06-20 11:28:20.138000+00:00
date modified: 2025-03-05 00:50:47.663115+00:00
date published: 2018-06-20 11:28:20.138000+00:00
description: A review of the present state and future perspectives of the fishery in the Bulgarian marine part of the Black sea basin is presented. Following the approach suggested by the European Union (2008/56/EC) Marine Strategy Framework Directive (MSFD), particular species may be good indicators of specific environmental factors in their local environment. It is advisable to set the indicators for monitoring the healthy state of a marine fisheries ecosystem, concerning both pelagic and benthos organisms before making a suggestions and assessments about any given stock. Formal decision rules using these indicators for maintenance of the fishery ecosystem in a productive condition, and for stock recovery, need to be urgently implemented. In the present paper the example with sprat stock in the Black sea was emphasised. It was found that one of the main objectives for effective and sustainable management of the fish stocks is to make regular annual assessment of the parental stock biomass, length and weight growth, age determination, mortality estimation and reproductive potential estimation. Levels of fishing that break normal productivity of the given stock and to far-reaching effects caused by other environmental variations and anthropogenic activities.
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domain: biology
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field of research: oceanography
field of research: earth sciences
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